When browsing the database list inside Microsoft SQL Server Management Studio, you may get the error below:
Failed to retrieve data for this request. (Microsoft.SqlServer.SmoEnum)
Invalid column name 'mirroring_role'.
Invalid column name 'mirroring_state'.
Invalid column name 'mirroring_state'. (.Net SqlClient Data Provider)
One of the reasons for this error is that you are trying to connect to a final version of SQL Server 9.0 (SQL Server 2005) using a beta version of SQL Server Management Studio.
To be able to connect to a final release of SQL Server 2005, you also need the final release of SQL Server Management Studio, not the beta.
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